Merge pull request #1851 from dneelyep:patch-1

Merge pull request #2310 from SpecLad:merge-2.4

Merge remote-tracking branch 'origin/2.4' into merge-2.4

Conflicts:
CMakeLists.txt
cmake/OpenCVGenAndroidMK.cmake
cmake/templates/OpenCV.mk.in
doc/tutorials/viz/creating_widgets/creating_widgets.rst
doc/tutorials/viz/launching_viz/launching_viz.rst
doc/tutorials/viz/table_of_content_viz/images/image_effects.png
doc/tutorials/viz/transformations/transformations.rst
doc/tutorials/viz/widget_pose/widget_pose.rst
modules/core/include/opencv2/core/affine.hpp
modules/core/include/opencv2/core/core.hpp
modules/gpu/perf/perf_imgproc.cpp
modules/gpu/src/cuda/canny.cu
modules/gpu/src/cuda/generalized_hough.cu
modules/gpu/src/generalized_hough.cpp
modules/gpu/src/imgproc.cpp
modules/gpu/test/test_color.cpp
modules/gpu/test/test_core.cpp
modules/gpu/test/test_gpumat.cpp
modules/gpu/test/test_hough.cpp
modules/nonfree/CMakeLists.txt
modules/nonfree/include/opencv2/nonfree/gpu.hpp
modules/nonfree/perf/perf_gpu.cpp
modules/nonfree/src/cuda/surf.cu
modules/nonfree/src/precomp.hpp
modules/nonfree/src/surf_gpu.cpp
modules/nonfree/test/test_gpu.cpp
modules/ocl/perf/perf_haar.cpp
modules/stitching/CMakeLists.txt
modules/stitching/include/opencv2/stitching/detail/matchers.hpp
modules/stitching/include/opencv2/stitching/detail/seam_finders.hpp
modules/stitching/include/opencv2/stitching/detail/warpers.hpp
modules/stitching/include/opencv2/stitching/warpers.hpp
modules/stitching/src/blenders.cpp
modules/stitching/src/matchers.cpp
modules/stitching/src/precomp.hpp
modules/stitching/src/seam_finders.cpp
modules/stitching/src/stitcher.cpp
modules/stitching/src/warpers.cpp
modules/viz/doc/widget.rst
modules/viz/include/opencv2/viz/types.hpp
modules/viz/include/opencv2/viz/viz3d.hpp
modules/viz/include/opencv2/viz/widget_accessor.hpp
modules/viz/src/precomp.hpp
modules/viz/src/shapes.cpp
modules/viz/src/vizcore.cpp
modules/viz/src/vtk/vtkCloudMatSink.h
modules/viz/src/vtk/vtkCloudMatSource.h
modules/viz/test/test_precomp.hpp
modules/viz/test/tests_simple.cpp
samples/android/tutorial-4-cuda/CMakeLists.txt
samples/android/tutorial-4-cuda/jni/Android.mk
samples/android/tutorial-4-cuda/src/org/opencv/samples/tutorial4/Tutorial4Activity.java
samples/cpp/stitching_detailed.cpp
samples/cpp/tutorial_code/viz/creating_widgets.cpp
samples/cpp/tutorial_code/viz/launching_viz.cpp
samples/cpp/tutorial_code/viz/transformations.cpp
samples/cpp/tutorial_code/viz/widget_pose.cpp

Merge pull request #2303 from jet47:gpu-canny-fix

Merge pull request #2295 from alalek:opencl_align_rw_buffers

Merge pull request #2294 from jet47:fix-gpu-issues

Merge pull request #2296 from apavlenko:fix_coverity_scan

fixed several bugs in CUDA Canny implementation:

* out of border access in edgesHysteresisLocalKernel
* incorrect usage of atomicAdd

Merge pull request #2301 from jet47:fix-nonfree-build

Merge pull request #2297 from asmorkalov:ocv_testdata_install_perms_fix

Revert "disable gpu Canny and HoughCircles perf tests:"

This reverts commit dbce90692acd84fbf46bde4da4b1726049f42857.

ocl: update gftt

ocl: workaround for failures with misaligned host buffers

Implicit testdata directory permissions setup added.

Merge pull request #2300 from asmorkalov:android_no_cuda_not_armeabiv7a

fix nonfree module compilation without CUDA

dynamicuda module disabled in OpenCv.mk for all arches except armeabi-v7a.

Merge pull request #2251 from ilya-lavrenov:tapi_sqrboxfilter

Merge pull request #2287 from ilya-lavrenov:mat_step

Merge pull request #2289 from ilya-lavrenov:umat_expr

fixing issues from coverity scan 1167937, 1167938, 1167939, 1127248 (scan.coverity.com/projects/169?tab=Overview)

added cv::sqrBoxFilter to T-API

Revert "disable CUDA generalized Hough Transform"

This reverts commit 33d42b740c6fe938b63a0b25c9ad51741aba48c3.

fix epsilons for several gpu tests

Revert "disable gpu CvtColor.*2HSV tests:"

This reverts commit 952027a8536215a5e4308c79a59308c6b3426354.

Revert "disable gpu Subtract_Array test:"

This reverts commit e91bf95d5832e87aa70240c50f0bf7fcc587e8c8.

Merge pull request #2269 from Nerei:qt5_vtk_guards

Merge pull request #2276 from asmorkalov:android_install_cuda

condition for Mat step

Multiple improvements in OpenCV examples build.

EMBED_CUDA and FORCE_EMBED_OPENCV flags added to cmake macro add_android_project;
INSTALL_CUDA_LIBRARIES option added to OpenCV.mk
opencv_dynamicuda library installation with enabled OPENCV_INSTALL_MODULES flag fixed;
CUDA initialization apportunity added to OpenCVLoader.initDebug();
Tutorial-4-CUDA sample reimplemented with static OpenCV and CUDA initialization.

Merge pull request #2292 from asmorkalov:ocv_deb_tests_script_path_fix

Merge pull request #2278 from KonstantinMatskevich:ocl_toinputarray

Merge pull request #2285 from KonstantinMatskevich:ocl_test_cascade2.4

Absolute path to tests in opencv_run_app_tests.sh fixed.

Merge pull request #2288 from asmorkalov:android_project_properties_generation_fix

added perf test

implemented umat expressions

Merge pull request #2002 from abak:stereo_calibrate

project.properties file generation fixed for per-component installation.

Merge tag '3.0-ocl-tp2' (-s ours)

OpenCV 3.0 OpenCL Technical Preview 2

Set status to -tp2.

fixes2

Merge pull request #2284 from KonstantinMatskevich:ocl_test_cascade

Merge pull request #2277 from asmorkalov:android_test_path_fix

update test CascadeClassifier

update test for cascade

fixed docs2

Merge pull request #2281 from vpisarev:ocl_surf

removed CV_IN/OUT

fixed docs

fixes

Merge pull request #2250 from ilya-lavrenov:tapi_renaming

cleaned up super_resolution sample from old OCL

fixed warnings/errors from GCC

Merge pull request #2280 from ilya-lavrenov:attempt_pvc

fixed warnings from OCL and DOC builders

Merge pull request #2279 from alalek:fix_memory_leak_getumat

undone change in ocl.hpp (explicit Image2D constructor)

SURF kind of works (let's see if the tests pass)

renamed **2 -> **

attempt to fix pure virtual call in Mat::deallocate

Merge pull request #2192 from alalek:buffer_pool

Merge pull request #2274 from jet47:android-mk-fix

fix memory leak for Mat::getUMat() operation

features2d

core/ocl: OpenCLBufferPool

Merge pull request #2234 from KonstantinMatskevich:ocl_tapi_hog

Merge pull request #2252 from ilya-lavrenov:ocl_ref

Merge pull request #2268 from ilya-lavrenov:tapi_pow

Merge pull request #2275 from ElenaGvozdeva:ocl_matchTemplate

Tests install path fix for Android SDK.

drawing

fixed

save previous values of LOCAL_* variables and restore them at the end

fix path to CUDA libraries (use targets/armv7-linux-androideabi/lib)

very preliminary port of SURF to T-API (compiles but certainly does not work)

minor ocl.cpp refactoring

fix for cv::LUT and cv::transpose

Merge pull request #2265 from vpisarev:ocl_facedetect_amd3

optimized cv::pow for integer power

Merge pull request #2153 from scottbreyfogle:constrained-hough-lines

Merge pull request #2196 from KonstantinMatskevich:ocl_bugcautching

Merge pull request #2264 from alalek:bug_fix_3470

Merge pull request #2263 from ilya-lavrenov:include_fix

Merge pull request #2031 from berak:b_flann_timer_30

Merge pull request #2120 from prclibo:master

fixes

hopefully fixed compile warnings and the doc builder warnings

Merge pull request #2178 from Nerei:viz_backport

Merge pull request #2261 from jet47:stitching-cuda-android

Merge pull request #2262 from SpecLad:merge-2.4

3rd attempt to prepare patch with improved OpenCL kernels of CascadeClassifier.

fix for PR 2166

some changes

perf test

HOG

bug fix for issue 3470

Merge pull request #2217 from ilya-lavrenov:tapi_superres

test for failure

more strict checks and reseting state

test for failure